ChatGPT & Midjourney Prompt Generator By HeroGPT vs GravityWrite

HeroGPT is a copywriting prompt generator built into the Hero platform for writing reusable ChatGPT and Midjourney prompts with fill-in variables. You draft a template with placeholders like friend_1 or art_style_1, click Run to enter values, then copy the finished prompt or open it directly in ChatGPT through the HeroGPT Chrome extension.

Most prompt libraries hand you static text. HeroGPT treats prompts like mini forms: variables stay in the template, you swap values per run, and saved prompts live in Hero Spaces and Lists you can share with a link. The site also hosts 470+ free dynamic prompts and 20 ready-made Midjourney examples on the generator page itself.

It fits marketers, writers, and image creators who reuse prompt structures across clients or projects. Podcast hosts and list builders already on Hero can tuck prompts beside link collections without leaving the platform.

GravityWrite turns one subscription into blogs, images, videos, scheduled social posts, and even hosted sites without juggling separate apps. Marketers describe a topic and get SEO-structured articles, platform-specific social posts, or visuals from a single dashboard. The company reports more than 3 million sign-ups.

Standalone writers handle text; design tools handle images; schedulers handle posting. GravityWrite merges 250-plus specialized templates with shared AI credits, brand voice training, and integrations to Ahrefs, Google Analytics, and WordPress so research, drafting, and publishing stay in one tab.

Bloggers, agency marketers, and small business owners use it to replace a stack of single-purpose apps. Plus tier includes 500 monthly credits; Pro raises that to 2,500 credits and expands social account limits.

Plus costs $8 per month on annual billing ($97 per year, listed down from $49 monthly). Pro is $49 per month annually ($599 per year). A Bundle plan at $139 per year adds WordPress hosting and n8n automation.